﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Transactions;
using System.Web;
using System.Web.Mvc;
using System.Web.Security;
using DotNetOpenAuth.AspNet;
using Microsoft.Web.WebPages.OAuth;
using WebMatrix.WebData;
using GTCAS.WebApplication.Filters;
using GTCAS.WebApplication.Models;
using GTCAS.Business;
using GTCAS.CommonLib.Entities;

namespace GTCAS.WebApplication.Controllers
{
    [Authorize]
    public class AccountController : Controller
    {
        private readonly DM_TinhThanhBO _tinhthanhBO = new DM_TinhThanhBO();
        //
        // GET: /Account/Login

        [AllowAnonymous]
        public ActionResult Login(string returnUrl)
        {
            ViewBag.ReturnUrl = returnUrl;

            var lstTinhThanh = new DM_TinhThanhBO().GetAll();
            ViewBag.ListTinhThanh = new SelectList(lstTinhThanh.ToArray(), "ID_TINHTHANH", "TEN");


            return View();
        }

        //
        // POST: /Account/Login

        [HttpPost]
        [AllowAnonymous]
        [ValidateAntiForgeryToken]
        public ActionResult Login(LoginModel model, string returnUrl)
        {
            //Check đăng nhập
            if (ModelState.IsValid)
            {
                //Lấy thông tin chuỗi kết nối, schema mặc định tương ứng với tỉnh thành.
                var tinhthanh = _tinhthanhBO.GetById(model.ID_TINHTHANH);
                if (tinhthanh != null)
                {
                    var userBO = new UserBO(tinhthanh.ID_TINHTHANH);
                    var user = userBO.GetByUsernameAndPass(model.UserName, CommonLib.Crypto.Sha512Encode( model.Password));
                    if (user != null)
                    {
                        //Lưu vào Session
                        UserInfoModel userinfo = new UserInfoModel();
                        userinfo.HoTen = user.HOTEN;
                        userinfo.ID = user.ID;
                        userinfo.Skin = user.THEME;
                        userinfo.Username = user.USERNAME;
                        Session[Common.Constants.KEY_SESSION.USER_INFO] = userinfo;
                        Session[Common.Constants.KEY_SESSION.TINHTHANH_INFO] = tinhthanh.ID_TINHTHANH;
                        return RedirectToLocal(returnUrl);
                    }
                }
            }

            // If we got this far, something failed, redisplay form
            ModelState.AddModelError("", "Tên đăng nhập hoặc mật khẩu không đúng.");
            return View(model);
        }

        //
        // POST: /Account/LogOff

        [HttpPost]
        [ValidateAntiForgeryToken]
        public ActionResult LogOff()
        {
            Session.Clear();

            return RedirectToAction("Index", "Home");
        }


        #region Helpers

        private ActionResult RedirectToLocal(string returnUrl)
        {
            if (Url.IsLocalUrl(returnUrl))
            {
                return Redirect(returnUrl);
            }
            else
            {
                return RedirectToAction("Index", "Home");
            }
        }



        private static string ErrorCodeToString(MembershipCreateStatus createStatus)
        {
            // See http://go.microsoft.com/fwlink/?LinkID=177550 for
            // a full list of status codes.
            switch (createStatus)
            {
                case MembershipCreateStatus.DuplicateUserName:
                    return "User name already exists. Please enter a different user name.";

                case MembershipCreateStatus.DuplicateEmail:
                    return "A user name for that e-mail address already exists. Please enter a different e-mail address.";

                case MembershipCreateStatus.InvalidPassword:
                    return "The password provided is invalid. Please enter a valid password value.";

                case MembershipCreateStatus.InvalidEmail:
                    return "The e-mail address provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidAnswer:
                    return "The password retrieval answer provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidQuestion:
                    return "The password retrieval question provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidUserName:
                    return "The user name provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.ProviderError:
                    return "The authentication provider returned an error. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                case MembershipCreateStatus.UserRejected:
                    return "The user creation request has been canceled. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                default:
                    return "An unknown error occurred. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
            }
        }
        #endregion
    }
}
